Question

in a class of 40 students, 15 secured first division , 13 secured second division and 9 just qualified . Find the percentage of failed student.

Answer 1

Total no.of students-40
No. of students qualified=15+13+9
=37
No. of students failed=40-37= 3
Percentage= 3/40×100
= 15/2
= 7.5%